1 files changed, 178 insertions, 0 deletions
diff --git a/ecomp-sdk/thirdparty/src/main/java/org/openecomp/portalsdk/core/onboarding/rest/RestWebServiceClient.java b/ecomp-sdk/thirdparty/src/main/java/org/openecomp/portalsdk/core/onboarding/rest/RestWebServiceClient.java
new file mode 100644
index 00000000..fc5ce872
--- /dev/null
+++ b/ecomp-sdk/thirdparty/src/main/java/org/openecomp/portalsdk/core/onboarding/rest/RestWebServiceClient.java
@@ -0,0 +1,178 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ================================================================================
+ */
+package org.openecomp.portalsdk.core.onboarding.rest;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.UUID;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.openecomp.portalsdk.core.onboarding.crossapi.PortalApiConstants;
+import org.openecomp.portalsdk.core.onboarding.crossapi.PortalApiProperties;
+
+public class RestWebServiceClient {
+
+	private final Log logger = LogFactory.getLog(RestWebServiceClient.class);
+	
+	/**
+	 * Singleton instance
+	 */
+	private static RestWebServiceClient instance = null;
+
+	/**
+	 * Constructor is private. Clients should obtain an instance via
+	 * getInstance().
+	 */
+	private RestWebServiceClient() {
+	}
+
+	/**
+	 * Gets the static instance of RestWebServiceClient; creates it if
+	 * necessary. Synchronized to be thread safe.
+	 * 
+	 * @return Static instance of RestWebServiceClient.
+	 */
+	public static synchronized RestWebServiceClient getInstance() {
+		if (instance == null)
+			instance = new RestWebServiceClient();
+		return instance;
+	}
+
+	/**
+	 * Convenience method that fetches the URL for the Portal REST API endpoint
+	 * and the application UEB key, then calls
+	 * {@link #get(String, String, String, String, String, String, String)} to
+	 * access the Portal's REST endpoint.
+	 * 
+	 * @param restPath
+	 *            Partial path of the endpoint; e.g., "/specialRestService"
+	 * @param userId
+	 *            userId for the user originating the request
+	 * @param appName
+	 *            Application Name for logging.
+	 * @param requestId
+	 *            128-bit UUID value to uniquely identify the transaction.
+	 * @param appUserName
+	 *            REST API user name for Portal to authenticate the request
+	 * @param appPassword
+	 *            REST API password (in the clear, not encrypted) for Portal to
+	 *            authenticate the request
+	 * @return Content from REST endpoint
+	 * @throws Exception
+	 *             on any failure
+	 */
+	public String getPortalContent(String restPath, String userId, String appName, String requestId, String appUserName,
+			String appPassword) throws Exception {
+		String restURL = PortalApiProperties.getProperty(PortalApiConstants.ECOMP_REST_URL);
+		if (restURL == null) {
+			// should never happen
+			String msg = "getPortalContent: failed to get property " + PortalApiConstants.ECOMP_REST_URL;
+			logger.error(msg);
+			throw new Exception(msg);
+		}
+		String appUebKey = PortalApiProperties.getProperty(PortalApiConstants.UEB_APP_KEY);
+		if (appUebKey == null) {
+			// should never happen
+			String msg = "getPortalContent: failed to get property " + PortalApiConstants.UEB_APP_KEY;
+			logger.error(msg);
+			throw new Exception(msg);
+		}
+		final String restEndpointUrl = restURL + restPath;
+		return get(restEndpointUrl, userId, appName, requestId, appUebKey, appUserName, appPassword);
+	}
+
+	/**
+	 * Makes a call to a Portal REST API using the specified URL and parameters.
+	 * 
+	 * @param url
+	 *            Complete URL of the REST endpoint.
+	 * @param loginId
+	 *            User that it should be fetching the data
+	 * @param appName
+	 *            Application name for logging; if null or empty, defaulted to
+	 *            Unknown.
+	 * @param requestId
+	 *            128-bit UUID value to uniquely identify the transaction; if
+	 *            null or empty, one is generated.
+	 * @param appUebKey
+	 *            Unique key for the application, used by Portal to authenticate
+	 *            the request
+	 * @param appUserName
+	 *            REST API user name, used by Portal to authenticate the request
+	 * @param appPassword
+	 *            REST API password, used by Portal to authenticate the request
+	 * @return Content from REST endpoint
+	 * @throws Exception
+	 *             On any failure; e.g., unknown host.
+	 */
+	public String get(String url, String loginId, String appName, String requestId, String appUebKey,
+			String appUserName, String appPassword) throws Exception {
+
+		logger.debug("RestWebServiceClient.get (" + url + ") operation is started.");
+		if (appName == null || appName.trim().length() == 0)
+			appName = "Unknown";
+		if (requestId == null || requestId.trim().length() == 0)
+			requestId = UUID.randomUUID().toString();
+
+		URL obj = new URL(url);
+		// Create the connection object
+		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+		con.setRequestMethod("GET");
+		con.setConnectTimeout(3000);
+		con.setReadTimeout(8000);
+
+		// add request header
+		con.setRequestProperty("uebkey", appUebKey);
+		con.setRequestProperty("username", appUserName);
+		con.setRequestProperty("password", appPassword);
+		con.setRequestProperty("LoginId", loginId);
+		con.setRequestProperty("user-agent", appName);
+		con.setRequestProperty("X-ECOMP-RequestID", requestId);
+
+		int responseCode = con.getResponseCode();
+		logger.debug("get: received response code '" + responseCode + "' while getting the '" + url + "' for user: "
+				+ loginId);
+
+		StringBuffer sb = new StringBuffer();
+		BufferedReader in = null;
+		try {
+			in = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));
+			String inputLine = null;
+			while ((inputLine = in.readLine()) != null)
+				sb.append(inputLine);
+		} finally {
+			try {
+				if (in != null)
+					in.close();
+			} catch (IOException ex) {
+				logger.error("get: failed to close reader", ex);
+			}
+		}
+
+		final String response = sb.toString();
+		if (logger.isDebugEnabled())
+			logger.debug("get: url " + url + " yielded " + response);
+		return response;
+	}
+}